Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 69%

02:34

08:40

18 Good
19 Good
20 Good
21 Good
22 Bad
23 Good
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 Good
13 OK
14 Bad
15 Bad
16 Good
17 Good

Sun - Rise: 06:15, Set: 19:45, Transit: 13:01. Moon - Rise: 02:34, Set: 08:40. Civil Dark: 20:21 - 05:40. Nautical Dark: 21:05 - 04:55. Astro Dark: 21:54 - 04:06

Total Clouds (% Sky Obscured)

2
3
3
4
62
18
82
71
65
70
83
92
56
96
94
79
70
43
9
34
65
74
16
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
16
14
20
24
28
19
24
21
67
73
70
43
9
34
46
3
3
0

High Clouds (% Sky Obscured)

2
3
3
4
38
16
49
45
55
50
74
87
50
96
91
75
60
43
9
34
65
51
9
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
14
12
11
9
7
7
7
6
6
7
6
6
6
6
8
8
9
9
9
8
7
7
6

Chance of Frost

Temperature (°C)

15
13
11
9
8
7
7
7
7
7
7
7
7
7
8
10
12
14
16
17
19
20
20
20

Feels Like (°C)

13
10
8
7
4
6
6
5
4
4
4
4
3
4
6
8
10
12
13
15
17
18
20
20

Dew Point (°C)

9
8
6
5
4
3
3
3
3
3
3
3
3
3
5
6
6
8
9
10
10
11
12
13

Relative Humidity (%)

65
70
74
76
77
75
75
75
76
78
78
78
78
79
78
73
67
64
62
60
57
57
59
63

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021

Ozone (du)

366
365
365
365
364
362
360
359
356
355
354
354
353
354
357
358
357
357
357
357
358
359
362
368

Wednesday 8

Waning Gibbous 59%

03:20

09:40

18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:13, Set: 19:47, Transit: 13:01. Moon - Rise: 03:20, Set: 09:40. Civil Dark: 20:23 - 05:37. Nautical Dark: 21:07 - 04:53. Astro Dark: 21:56 - 04:03

Total Clouds (% Sky Obscured)

1
40
30
30
37
46
38
40
39
50
77
98
100
100
100
100
100
100
100
100
100
100
90
86

Low Clouds (% Sky Obscured)

0
22
0
0
17
46
38
40
39
41
39
7
10
0
12
13
31
30
4
74
100
97
85
10

Medium Clouds (% Sky Obscured)

0
3
0
0
3
4
0
0
0
0
2
17
37
67
98
85
69
70
96
20
72
80
62
67

High Clouds (% Sky Obscured)

1
0
0
0
0
3
3
7
4
27
74
98
100
100
97
100
100
100
100
59
85
92
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
5
6
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
0
1
22
35
15
29
3
0
0
0
0
0
0
0
2
10
45
51
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
6
7
7
7
6
5
5
6
5
6
6
6
8
9
11
13
16
15
18
16
15

Chance of Frost

Temperature (°C)

19
17
16
15
14
13
11
11
11
11
11
11
11
11
12
14
14
16
17
17
15
13
10
9

Feels Like (°C)

20
18
15
13
12
11
10
10
11
11
10
11
9
10
10
12
12
13
14
13
11
8
5
4

Dew Point (°C)

14
13
12
12
10
10
9
9
10
11
11
11
11
11
11
11
12
12
12
11
10
9
7
5

Relative Humidity (%)

72
78
79
80
78
81
84
87
95
96
96
96
96
96
93
84
86
77
72
68
69
76
82
74

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016

Ozone (du)

368
368
370
371
373
372
371
370
370
373
373
373
372
372
373
373
371
373
378
380
382
386
398
411

Thursday 9

Waning Gibbous 50%

03:54

10:52

18 Bad
19 Bad
20 Good
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:11, Set: 19:49, Transit: 13:01. Moon - Rise: 03:54, Set: 10:52. Civil Dark: 20:25 - 05:35. Nautical Dark: 21:09 - 04:50. Astro Dark: 21:59 - 04:00

Total Clouds (% Sky Obscured)

63
47
13
20
23
34
37
30
30
32
52
41
70
19
46
80
100
100
100
98
95
92
94
97

Low Clouds (% Sky Obscured)

1
7
0
0
3
4
4
1
0
1
8
9
19
0
0
17
23
24
23
17
10
1
13
34

Medium Clouds (% Sky Obscured)

52
32
10
0
0
0
0
3
3
32
37
41
3
8
9
23
49
47
37
41
93
92
94
97

High Clouds (% Sky Obscured)

0
0
0
20
23
34
37
30
30
32
52
41
26
9
46
78
100
98
100
94
83
72
81
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
13
12
10
10
10
10
9
8
7
7
6
6
5
6
5
4
6
9
10
11
11
11

Chance of Frost

Temperature (°C)

10
9
8
7
6
5
4
4
4
4
3
3
3
3
5
7
8
9
10
11
11
11
12
11

Feels Like (°C)

7
5
4
4
1
0
-0
0
0
-0
0
-1
-0
2
4
4
5
6
6
6
6
7
8
7

Dew Point (°C)

4
3
1
0
-0
0
-0
0
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
4

Relative Humidity (%)

66
62
62
64
66
71
72
73
77
83
88
89
89
89
82
74
68
63
60
56
53
52
56
60

Pressure (mb)

1016
1017
1018
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016

Ozone (du)

422
421
422
409
399
395
389
385
382
379
374
368
368
366
365
363
362
361
360
359
357
356
355
354

Friday 10

Third Quarter 40%

04:17

12:09

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:08, Set: 19:51, Transit: 13:01. Moon - Rise: 04:17, Set: 12:09. Civil Dark: 20:27 - 05:32. Nautical Dark: 21:12 - 04:47. Astro Dark: 22:02 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
96
90
86
80
86
93
100
100
100
100
100
100
100
100
100
100
97
94

Low Clouds (% Sky Obscured)

46
38
26
6
1
1
0
1
3
5
26
47
72
86
93
100
84
68
52
47
41
35
35
32

Medium Clouds (% Sky Obscured)

100
92
84
48
23
33
32
27
27
21
26
30
41
41
100
100
98
96
93
89
86
83
70
58

High Clouds (% Sky Obscured)

100
100
100
100
94
87
81
60
41
25
25
25
40
60
83
100
100
100
100
100
100
100
94
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
3
2
3
3
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

5
10
8
0
0
0
0
0
0
0
5
7
12
32
23
36
61
72
93
95
82
77
67
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
1
0.5
0.5
0.4
0

Wind Speed/Direction (mph)

10
10
13
15
16
16
16
16
16
16
16
15
15
14
13
12
12
12
12
13
12
14
15
14

Chance of Frost

Temperature (°C)

11
10
9
8
7
7
7
7
8
8
8
8
8
9
9
9
10
10
10
11
9
10
10
9

Feels Like (°C)

7
6
4
2
1
2
1
2
3
3
3
3
3
4
4
5
6
7
7
7
7
7
6
5

Dew Point (°C)

4
4
3
3
2
3
3
3
3
3
3
4
4
5
7
7
8
9
10
10
9
9
9
7

Relative Humidity (%)

64
66
67
67
70
73
73
73
73
71
71
74
75
80
85
84
85
93
95
95
95
93
91
88

Pressure (mb)

1015
1014
1013
1013
1012
1011
1010
1009
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

356
354
353
354
356
357
354
353
353
352
351
351
351
351
350
351
352
354
353
353
353
353
353
354

Saturday 11

Waning Crescent 30%

04:34

13:30

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:06, Set: 19:53, Transit: 13:00. Moon - Rise: 04:34, Set: 13:30. Civil Dark: 20:29 - 05:30. Nautical Dark: 21:14 - 04:44. Astro Dark: 22:05 - 03:53

Total Clouds (% Sky Obscured)

91
77
59
44
49
50
55
55
55
62
71
75
80
50
57
66
57
55
53
50
49
45
40
42

Low Clouds (% Sky Obscured)

32
21
11
0
7
15
23
29
34
39
50
58
67
29
43
57
47
38
28
19
9
13
12
15

Medium Clouds (% Sky Obscured)

50
55
59
44
49
50
55
16
2
49
4
5
7
2
1
0
4
8
13
13
14
18
16
12

High Clouds (% Sky Obscured)

80
73
59
44
48
49
45
40
30
14
30
25
20
50
57
60
54
47
41
27
13
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
7
11
14
14
14
15
18
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
13
13
10
10
10
11
11
11
12
11
11
10
10
12
14
14
14
15
14
13
12
11

Chance of Frost

Temperature (°C)

9
9
8
7
6
5
5
5
4
4
4
4
5
5
5
7
8
9
10
11
11
11
12
11

Feels Like (°C)

6
4
3
1
2
2
2
1
1
0
0
0
1
2
1
1
2
3
3
4
8
7
7
7

Dew Point (°C)

7
5
4
3
3
3
3
3
3
3
3
3
4
4
3
4
5
4
4
3
4
6
7
7

Relative Humidity (%)

87
80
78
76
82
85
86
86
89
89
91
91
93
91
86
82
77
70
65
58
63
67
72
73

Pressure (mb)

1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

355
355
354
356
357
360
364
369
373
373
372
374
376
377
381
385
389
400
411
421
433
445
456
455

Sunday 12

Waning Crescent 20%

04:47

14:51

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:04, Set: 19:54, Transit: 13:00. Moon - Rise: 04:47, Set: 14:51. Civil Dark: 20:31 - 05:27. Nautical Dark: 21:16 - 04:42. Astro Dark: 22:07 - 03:50

Total Clouds (% Sky Obscured)

45
57
69
80
70
54
38
39
23
11
15
18
17
34
52
72
69
67
67
70
77
80
87
88

Low Clouds (% Sky Obscured)

17
25
34
41
37
35
32
36
23
11
15
13
12
16
36
52
50
50
46
55
67
77
63
50

Medium Clouds (% Sky Obscured)

6
20
36
51
48
39
38
38
23
11
15
11
4
25
45
66
63
62
66
70
67
65
59
59

High Clouds (% Sky Obscured)

0
1
1
2
21
37
38
39
23
11
8
5
1
6
9
12
32
49
66
70
75
75
75
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

18
18
14
0
2
2
2
9
13
17
17
14
8
6
3
0
8
14
18
38
52
63
59
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0

Wind Speed/Direction (mph)

10
9
8
7
6
6
6
7
6
6
6
6
6
6
7
9
10
10
10
10
10
10
10
8

Chance of Frost

Temperature (°C)

10
10
9
7
6
6
5
5
5
5
4
4
4
4
6
7
9
10
11
12
11
11
11
10

Feels Like (°C)

7
6
6
5
5
5
5
4
3
3
3
3
3
3
3
3
3
4
4
5
10
9
9
9

Dew Point (°C)

6
6
5
5
4
4
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
3
4

Relative Humidity (%)

74
77
78
82
85
86
90
91
91
91
91
91
89
89
85
79
74
69
65
59
59
59
58
66

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

455
454
454
455
455
452
450
447
446
444
443
443
442
442
441
440
439
442
444
447
446
445
443
443

Monday 13

Waning Crescent 12%

04:59

16:14

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 Bad
12 Bad

Sun - Rise: 06:02, Set: 19:56, Transit: 13:00. Moon - Rise: 04:59, Set: 16:14. Civil Dark: 20:33 - 05:25. Nautical Dark: 21:18 - 04:39. Astro Dark: 22:10 - 03:46

Total Clouds (% Sky Obscured)

90
90
88
85
67
49
31
25
32
30
48
62
78
65
47
32
48
65
81

Low Clouds (% Sky Obscured)

37
25
14
3
2
1
0
0
0
0
24
42
55
23
11
3
1
0
0

Medium Clouds (% Sky Obscured)

63
67
71
77
67
49
31
25
32
30
43
46
45
50
47
32
48
65
65

High Clouds (% Sky Obscured)

75
54
30
13
25
37
31
25
32
27
16
4
0
1
0
0
0
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
40
34
23
24
19
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
6
5
7
6
5
5
4
4
4
4
4
4
4
5
6
7
9

Chance of Frost

Temperature (°C)

10
9
8
7
6
6
5
5
4
4
4
4
4
4
6
7
9
9
10

Feels Like (°C)

11
11
6
6
5
4
4
4
2
2
2
2
2
2
2
3
4
5
5

Dew Point (°C)

5
7
6
5
5
4
4
3
3
3
3
3
2
3
3
3
4
4
5

Relative Humidity (%)

74
85
85
87
90
90
91
91
91
91
91
91
88
88
81
74
69
69
69

Pressure (mb)

1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018

Ozone (du)

443
443
444
445
446
446
446
445
445
445
445
446
448
449
448
447
446
446
446

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 07/04/26 18:42:37. Forecast: 07/04/26 to 13/04/26. Timezone: UTC+1.00